Handheld safety knife



FIG. 1 is a first perspective view of the handheld safety knife;

FIG. 2 is a second perspective view of the handheld safety knife;

FIG. 3 is a top view of the handheld safety knife;

FIG. 4 is a bottom view of the handheld safety knife;

FIG. 5 is a right-side view of the handheld safety knife;

FIG. 6 is a left-side view of the handheld safety knife;

FIG. 7 is an elevation view of the handheld safety knife; and,

FIG. 8 is an elevation view of the handheld safety knife from a side opposite that shown in FIG. 7.

The broken lines shown in the Figures illustrate features that form no part of the claimed design. The phantom lines shown in the Figures indicate the boundaries of the design claim and form no part of the claimed design. 

CLAIM The ornamental design of a handheld safety knife, as shown and described. 